Additives coadjuvating the detaching from the molds of rubbers vulcanizable by means of peroxides
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United States of America Patent
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Mar 3, 1992
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N/A
app pub date -
Dec 26, 1989
filing date -
Oct 2, 1987
priority date (Note) -
Expired
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Abstract
Use of perfluoropolyethers having perfluoroalkyl end groups with a molecular weight ranging from 500 to 1500, in amounts from 0.5 to 3 parts by weight per 100 parts by weight of elastomer and, optimally, in combination wit polytetrafluoroethylene having a molecular weight lower than about 200,000, as additives to the polymerization latex of rubbers vulcanizable by means of peroxides in order to improve the detachability of the vulcanizate from forming molds.
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